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3 years ago

Help me pleaseeeeee!!!!!??

Mathematics

2 answers:

Vanyuwa [196]3 years ago

3 0

The answer is A u welcome

Eduardwww [97]3 years ago

3 0

The answer is a) x^3-x^2-17x+12

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A particular computer takes 13 minutes to download a 39-minute TV show. How long will it take the computer to download a 2-hou

ZanzabumX [31]

Since 2 hours is 120 minutes, then

$\bf \begin{array}{ccll}
\stackrel{download}{minutes}&\stackrel{show}{minutes}\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
13&39\\
x&120
\end{array}\implies \cfrac{13}{x}=\cfrac{39}{120}\implies \cfrac{13\cdot 120}{39}=x$

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3 years ago

A kite is flying 79 ft off the ground, and its string is pulled taut. The angle of elevation of the kite is 50°. Find the length

Art [367]

Answer:

If the kite has an 11 ft line attached to it and it casts an 8 feet shadow, we will have a rectangle triangle (see picture below).

To find the height x of the kite, we can apply the Pythagorean theorem.

x² = 11² - 8²

x² = 121 - 64

x² = 57

x =√57

Step-by-step explanation:

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2 years ago

Which is the graph of the linear inequality y < 3x + 1?

mestny [16]

Start at +1 on the x axis and then use 3/1 for rise over run. So you will start at +1 and then from that point rise 3 run 1

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3 years ago

OAB is a sector of a circle <br>what is the area of the sector

oee [108]

Answer:

12.56 square cm

Step-by-step explanation:

$Central \:angle \:(\theta) = 40°\\Radius \: (r) = 6 cm$

Let A be the area of the sector of circle.

$\therefore \: A = \frac{\theta }{360 \degree} \times \pi {r}^{2} \\ \\= \frac{ 40 \degree}{360 \degree} \times 3.14\times {6}^{2} \\ \\ = \frac{ 1}{9} \times 3.14 \times 36 \\ \\ = 3.14 \times 4 \\ \\ = 12.56 \: {cm}^{2}$

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3 years ago

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True or false: The score at the 25th percentile is 78

Paul [167]

False it's 24 - is the correct answer

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4 years ago

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